2. (a) Explain briefly the advantages of Gauss’s law over Coulomb’s law for the calculation of the electric field. (b) A spherical ball of charged particles has a uniform charge density throughout its volume. If the radius of the ball is 10 cm, find the radial distance both inside and outside the sphere where the electric field is one-third of the maximum electric field.

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.